GMAT Data Sufficiency problems are part of the Quantitative (Maths) section of the exam. They are certainly some of the trickiest questions of the GMAT.
In this video, Brian Galvin, Veritas Prep's Director of Academic Programs, shows how to work with the "Yes / No"-type of Data Sufficiency questions. Learn how to ace this section. Watch this video.
You can save USD 100 with PrepAdviser code PREPA100 on any live Veritas Prep GMAT course.
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